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GASのデバッグモードで、連想配列に空欄があると、デバッガーにはその要素が表示されないメモ

連想配列にあるべきキーと要素(空欄)が確認できない???

GASのデバッグモードでブレークポイントを使って各変数の状態を確認するなんてことはよくあると思いますが
連想配列にセットした値が空欄('')のような場合は、プロパティエリアには表示されなかったのでメモします。

test.gs
  var list = {'mango':100, 'orange':200, 'apple':'', 'pineapple':'pen'};
  var breakPoint = 1; //←ここでブレイクポイントを打つ

デバッグモードで実行した結果、以下のようにappleは表示されない。
image.png

他のIDEもこれが普通?大層な開発環境使ってないのでわかりませんが
これだけのことで2時間ぐらいハマりました…

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